Improve menu CSS

* fix mess with menus and actions in the files app
* reduces amount of !important usages
* keeps the behaviour on mobile as well as on desktop

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

apps/files/css/files.scss

@@ -575,7 +575,6 @@ a.action > img {
 	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
 	filter: alpha(opacity=0);
 	opacity: 0;
-	display:none;
 }
 #fileList a.action.action-share {
 	padding: 17px 14px;
@@ -588,80 +587,45 @@ a.action > img {
 	padding-right: 14px;
 }
 
-#fileList tr:hover a.action,
-#fileList a.action.permanent,
-#fileList tr:focus a.action,
-#fileList tr:hover a.action.no-permission:hover,
-#fileList tr:focus a.action.no-permission:focus,
+#fileList a.action,
+#fileList a.action.no-permission:hover,
+#fileList a.action.no-permission:focus,
 /* also enforce the low opacity for disabled links that are hovered/focused */
-#fileList tr:hover a.action.disabled:hover,
-#fileList tr:focus a.action.disabled:focus,
-#fileList .name:focus a.action.disabled:focus,
+#fileList a.action.disabled:hover,
+#fileList a.action.disabled:focus,
 #fileList a.action.disabled img {
 	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=30)";
 	filter: alpha(opacity=30);
 	opacity: .3;
 }
-#fileList tr a.action.disabled.action-download,
-#fileList tr:hover a.action.disabled.action-download:hover,
-#fileList tr:focus a.action.disabled.action-download:focus,
-#fileList tr:hover a.action:hover,
-#fileList tr:focus a.action:focus,
-#fileList .name:focus a.action:focus {
+
+#fileList a.action.disabled.action-download,
+#fileList a.action.disabled.action-download:hover,
+#fileList a.action.disabled.action-download:focus,
+#fileList a.action:hover,
+#fileList a.action:focus,
+#fileList .fileActionsMenu a.action,
+/* show share action of shared items darker to distinguish from non-shared */
+#fileList a.action.action-share.shared-style {
 	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=70)";
 	filter: alpha(opacity=70);
 	opacity: .7;
-	display:inline;
 }
 
-#fileList .fileActionsMenu a.action.permanent {
-	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=70)" !important;
-	filter: alpha(opacity=70) !important;
-	opacity: .7 !important;
-}
-#fileList .fileActionsMenu a.action.permanent:hover,
-#fileList .fileActionsMenu a.action.permanent:focus {
-	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)" !important;
-	filter: alpha(opacity=100) !important;
-	opacity: 1 !important;
+#fileList .fileActionsMenu a.action:hover,
+#fileList .fileActionsMenu a.action:focus,
+/* show share action of shared items darker to distinguish from non-shared */
+#fileList a.action.action-share.shared-style:hover,
+#fileList a.action.action-share.shared-style:focus {
+	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
+	filter: alpha(opacity=100);
+	opacity: 1;
 }
 
 #fileList tr a.action.disabled {
 	background: none;
 }
 
-/* show share action of shared items darker to distinguish from non-shared */
-#fileList a.action.action-share.permanent.shared-style,
-/* show hovered permanent entries darker */
-#fileList tr a.action.permanent:hover,
-#fileList tr a.action.permanent:focus {
-	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=70)" !important;
-	filter: alpha(opacity=70) !important;
-	opacity: .7 !important;
-	display:inline;
-}
-/* always show actions on mobile, not only on hover */
-#fileList a.action.permanent {
-	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=30)" !important;
-	filter: alpha(opacity=30) !important;
-	opacity: .3 !important;
-	display: inline !important;
-}
-
-/* properly display actions in the popover menu */
-#fileList .popovermenu .action {
-	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)" !important;
-	filter: alpha(opacity=50) !important;
-	opacity: .5 !important;
-}
-#fileList .popovermenu .action:hover,
-#fileList .popovermenu .action:focus {
-	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)" !important;
-	filter: alpha(opacity=100) !important;
-	opacity: 1 !important;
-}
-
-
 #selectedActionsList a.download.disabled,
 #fileList tr a.action.action-download.disabled {
 	color: #000000;

apps/files_sharing/css/mobile.scss

@@ -34,13 +34,6 @@ table td.filename .nametext {
 	margin-top: 32px;
 }
 
-/* always show actions on mobile */
-#fileList a.action {
-	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=20)" !important;
-	filter: alpha(opacity=20) !important;
-	opacity: .2 !important;
-	display: inline !important;
-}
 /* some padding for better clickability */
 #fileList a.action img {
 	padding: 0 6px 0 12px;

core/css/apps.scss

@@ -694,13 +694,13 @@ kbd {
 		}
 		.menuitem {
 			width: 100%;
-			-ms-filter: 'progid:DXImageTransform.Microsoft.Alpha(Opacity=50)' !important;
-			filter: alpha(opacity = 50) !important;
-			opacity: .5 !important;
+			-ms-filter: 'progid:DXImageTransform.Microsoft.Alpha(Opacity=50)';
+			filter: alpha(opacity = 50);
+			opacity: .5;
 			&:hover, &:focus, &.active {
-				-ms-filter: 'progid:DXImageTransform.Microsoft.Alpha(Opacity=100)' !important;
-				filter: alpha(opacity = 100) !important;
-				opacity: 1 !important;
+				-ms-filter: 'progid:DXImageTransform.Microsoft.Alpha(Opacity=100)';
+				filter: alpha(opacity = 100);
+				opacity: 1;
 			}
 		}
 		[class^='icon-'],

core/css/share.scss

@@ -106,7 +106,6 @@
 	.shareOption {
 		white-space: nowrap;
 		display: inline-block;
-		opacity: 1 !important;
 	}
 	.unshare img,
 	.showCruds img {